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NCL35076: Wide Analog Dimming CCM Buck Controller

Datasheet: CCM Buck Controller for Precise Current Regulation and Wide Analog Dimming
Rev. 2 (704kB)
Product Overview
»View Material Composition
» Product Change Notification
The NCL35076 is a DC-DC buck controller for wide dimming range down to 1% by analog dimming control to relieve audible noise and flicker in PWM dimming. ON’s proprietary LED current calculation technique driven by zero input offset amplifiers performs precise constant current in the whole analog dimming range. Multi-mode operation provides low LED current ripple with small output capacitor by CCM at heavy load and deep analog dimming by DCM at light load.
Features   Benefits
     
  • Zero input offset Amplifiers at LED current calculator block and OTA
 
  • Precise CC regulation: <±2% at full load, <±20% at 1% load
  • CCM to DCM transition by dimming condition
 
  • Wide Analog Dimming Range; 1~100%
  • PWM Dimming by PWM signal
 
  • Keep Constant LED color temperature
  • Standby mode operation
 
  • Low standby power consumption
  • Various Protections; Auto Restart (AR)
    - VDD Over Voltage Protection (OVP)
    - Short LED Protection (SLP)
    - Over Current Protection (OCP)
    - Thermal Shut Down (TSD)
 
  • High system reliability
  • CCM operation at full load
 
  • High efficiency and low profile design
Applications   End Products
  • LED Lighting
 
  • Smart LED Driver
  • LED lamp
  • LED tube
  • LED street light
  • LED ceiling light
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
NCL35076LED1GEVB Active
Pb-free
CCM Buck 75 W LED Driver Evaluation Board
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCL35076AADR2G Active
Pb-free
Halide free
NCL35076, CCM Buck controller with wide Dimming SOIC-8 751-07 1 260 Tape and Reel 3000 $0.252
Market Leadtime (weeks) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
Topology
VIN Min (V)
VIN Max (V)
VO Max (V)
IO Max (mA)
fSW Typ (kHz)
Package Type
NCL35076AADR2G  
 $0.252 
Pb
H
 Active   
Step-Down
10.7 V
< VIN
500
SOIC-8
Case Outlines
751-07   
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